NDK: AImageReader implementation
Bug: 23012001
Change-Id: I14341de141e6fc5817f397e849af35ccdb80d644
diff --git a/media/ndk/NdkImagePriv.h b/media/ndk/NdkImagePriv.h
new file mode 100644
index 0000000..89d2b7c
--- /dev/null
+++ b/media/ndk/NdkImagePriv.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _NDK_IMAGE_PRIV_H
+#define _NDK_IMAGE_PRIV_H
+
+#include <inttypes.h>
+#include <utils/Log.h>
+#include <utils/StrongPointer.h>
+
+#include <gui/CpuConsumer.h>
+
+#include "NdkImageReaderPriv.h"
+#include "NdkImage.h"
+
+
+using namespace android;
+
+// TODO: this only supports ImageReader
+struct AImage {
+ AImage(AImageReader* reader, int32_t format,
+ CpuConsumer::LockedBuffer* buffer, int64_t timestamp,
+ int32_t width, int32_t height, int32_t numPlanes);
+
+ // free all resources while keeping object alive. Caller must obtain reader lock
+ void close();
+
+ // Remove from object memory. Must be called after close
+ void free();
+
+ bool isClosed() const ;
+
+ // only For AImage to grab reader lock
+ // Always grab reader lock before grabbing image lock
+ void lockReader() const;
+ void unlockReader() const;
+
+ media_status_t getWidth(/*out*/int32_t* width) const;
+ media_status_t getHeight(/*out*/int32_t* height) const;
+ media_status_t getFormat(/*out*/int32_t* format) const;
+ media_status_t getNumPlanes(/*out*/int32_t* numPlanes) const;
+ media_status_t getTimestamp(/*out*/int64_t* timestamp) const;
+
+ media_status_t getPlanePixelStride(int planeIdx, /*out*/int32_t* pixelStride) const;
+ media_status_t getPlaneRowStride(int planeIdx, /*out*/int32_t* rowStride) const;
+ media_status_t getPlaneData(int planeIdx,/*out*/uint8_t** data, /*out*/int* dataLength) const;
+
+ private:
+ // AImage should be deleted through free() API.
+ ~AImage();
+
+ friend struct AImageReader; // for reader to access mBuffer
+
+ uint32_t getJpegSize() const;
+
+ // When reader is close, AImage will only accept close API call
+ wp<AImageReader> mReader;
+ const int32_t mFormat;
+ CpuConsumer::LockedBuffer* mBuffer;
+ const int64_t mTimestamp;
+ const int32_t mWidth;
+ const int32_t mHeight;
+ const int32_t mNumPlanes;
+ bool mIsClosed = false;
+ mutable Mutex mLock;
+};
+
+#endif // _NDK_IMAGE_PRIV_H